I have a class Person that contains names and hobbies. Then there’s a list that contains people. person1 = Person(“MarySmith”, [“dancing”, “biking”, “cooking”]) person2 = … people = [person1, person2,..] I need to return a list of people sorted alpha…
Tag: list
Repeatedly sample and combine elements of a list
Suppose we have a list L = [‘a’, ‘b’, ‘c’], I would like to perform a group sampling of L to generate an expected result: We can see, in this final output, a list of lists, its each element, there are no repeated elements without considering the order. How to implement it i…
Creating a list given an equation with no spaces
I want to create a list given a string such as ‘b123+xyz=1+z1$’ so that the list equals [‘b123’, ‘+’, ‘xyz’, ‘=’, ‘1’, ‘+’, ‘z1’, ‘$’] Without spaces or a single repeating pattern, I do not know how to …
How can I iterate through two lists and compare the values of each in Python?
Suppose I have the following lists: x = [0.5, 0.9, 0.1, 0.3, 0.6] y = [0.4, 0.3, 0.6, 0.1, 0.9] I want to write a function that iterates through the list and compares each value in order. This gives me Type Error: ‘float’ object is not iterable’ Why is this? I would expect the output to look…
How to break long list of geographic coordinates by latitude and longitude?
I have the following list of geographic coordinates organize in 2 mains blocks corresponding to 2 polygons : I would like to break this list in 2 dataframes (corresponding to the 2 blocks delimiter by double “[“) with latitude and longitude columns. Ex : first dataframe df : Second one df 1 : Answ…
How to use a dictionary to modify an array in python
I am trying to use a dictionary (created by reading the content of a first file) to modify the content of an array(created by reading the content of a second file) in order to return as many modified arrays as their are keys in the dictionary with the modification corresponding the position and change in the …
How do I find countries where the name has between 4 and 5 letters with regex in python list?
How can I generate a list with regex in python for countries with 4 or 5 letters? I was trying to do this but it returns an empty list: It is an exercise that’s why I can only do it with the module re. Any help will be appreciate. Answer You can use len(w). But if you want to solve
Delete Tuples in List
i want to delete Tuples out of a list if they have the same number… and I need Thanks a lot! Answer Try this:
Find max value of a column based on another in python
i have 2d list implementation as follows. It shows no. of times every student topped in exams:- i have another list of unique students as follows:- which i want to display student ranking based on their distinctions as follows:- What built in functions can be useful. I could not pose proper query on net. In o…
Return decimal fields from list
I have a generator which yields to datatype on is decimal and other is string i need the method to just return the decimal get_amount() now it is returning [(Decimal(‘1950.00′), ’06/16/2020’), (Decimal(‘4500.00′), ’06/16/2020’)] I want the list to be returned as…